New Haven County is home to several prestigious universities, including Yale University, the University of New Haven, and Quinnipiac University.
The city of New Haven is home to several historic sites, including the New Haven Green, which was established in 1638 and is one of the oldest public parks in the United States.
Approximately 28% of households in New Haven County, Connecticut use fuel oil according to the United States Census Bureau's American Community Survey data from 2019.